DRINKING WATER

WOL_iowa-park-smartball_385x250 Rural North Texas Community Cuts Non-Revenue Water By 42% With Pipeline Leak Detection Technology

Discover how a city solved its non-revenue water challenge by rapidly pinpointing three hard-to-find leaks in 13 miles of aging pipeline using a free-swimming acoustic tool.

DRINKING WATER CASE STUDIES AND WHITE PAPERS

  • University System Remains Operational Thanks To EZ VALVE

    The installation of an AVT EZ Valve has helped to future-proof the water system of a university utility system in a Northeastern U.S city. 

  • Transient And Surge Related Pipe Bursts, Water Loss And Damage Prevention

    Pipe bursts as a result of transients and surges within a piping network are very common problems throughout the world. Not only are the maintenance costs of these repairs extremely expensive, but when you add in possible litigation for third party damages, combined with the potentially significant value (cost) of the lost water, you can quickly realize the significance of what may appear simply as “another pipe burst”. By Brad Clarke, Singer Valve Inc.

  • Gulf Of Mexico's Hypoxic Zone Larger Than Ever

    Last year, the National Oceanic and Atmospheric Administration (NOAA) recorded the largest hypoxic zone in the Gulf of Mexico since monitoring began 32 years ago. Hypoxic waters, often referred to as dead zones, have dissolved oxygen concentrations of less than 2-3 ppm. They are caused by eutrophication or excess nutrients that promote algal growth in water bodies. As algae decompose, they consume oxygen creating dead zones.

  • Las Vegas Valley Water District Utilizes Field Tools App And iPhones To Expand Functionality

    The Itron Field Tools mobile app has allowed for our Field Technicians to use their iPhones as a multifunctional device. The Field Tools App also allows us to upgrade with minimal involvement from our IT teams.

  • Groundwater Treatment Pilot Test Program Proves Successful In California (Loprest)

    Iron, manganese, arsenic and hydrogen sulfide are indigenous to numerous groundwater aquifers. With the exception of arsenic, these constituents are more prevalent in deeper aquifers that are devoid of dissolved oxygen. This report summarizes the results and conclusions of a groundwater treatment pilot test program. 

  • Advantages Of Using Ozone And Biologically Active Filtration For Potable Reuse

    Understanding how ozonation and biologically active filtration (O3-BAF) systems work and their benefits in reuse can help water authorities meet cost, treatment, and sustainability goals.

  • Lead Service Lines And US

    Lead Service Lines (LSLs) pose serious health risks, but the Kemio™ testing device can quickly identify them for removal and replacement with copper pipes. Collaboration is needed to prioritize testing and removal for safe drinking water.

  • Innovative Communication Tool Enables Robust And Contact-Free Control Capabilities

    Two-way wireless communication can provide a wealth of benefits for municipal water utilities, including command and control abilities that underpin a wider smart city infrastructure. However, most tools currently on the market do not provide the flexibility and uncompromising speed that are necessary to enable these capabilities. The newly released Mueller® Mi.Net® LoRaWAN® (LW) node, by comparison, allows two-way data communication to take place within seconds instead of hours.

  • Reclaimed Water: A Smart Infrastructure Move For Green Residential Developments

    Reclaimed water systems, powered by MBR technology, offer developers a sustainable, cost-saving solution that meets rising water demands, eases permitting, and aligns projects with future environmental expectations.

  • Membrane Filtration Water Treatment Plant Meets Hotel Complex's Needs

    The Little America West Hotel complex located near the town of Granger, Wyoming, used an outdated surface water treatment plant that provided poor quality water during storm events.

DRINKING WATER APPLICATION NOTES

DRINKING WATER PRODUCTS

ULTRAPEN™ PT4 is Myron L Company’s ground-breaking new pocket tester for measuring free chlorine disinfecting power, free chlorine equivalent (FCE), and temperature. It is waterproof and designed for accuracy and simplicity for use in diverse water quality applications.

Each measuring path is formed by two coordinated transducers that transmit ultrasonic signals back and forth through the pipe. Using the transmit and receive time difference between the two signals, caused by the flow in the pipe slowing the transit time against the flow and accelerating the time with the flow, the transmitter calculates the resulting flow measurement.

Automatic self-cleaning filter provides superior efficiency by combining a multi-screen design with Amiad’s proven suction-scanning technology.

The Myron L® Company’s Ultrameter II™ 6PFCE delivers benchtop lab-accurate measurements in one compact, easy-to-use, easy-to-calibrate handheld device.

AquaFluor is a rugged, portable fluorometer for quick field measurements of chlorophyll, blue-green algae, rhodamine, fluorescein, and other fluorophores. Lightweight and battery-operated, it combines affordability with reliable performance. Perfect for spot checks and rapid assessments, AquaFluor enables researchers and water managers to collect accurate fluorescence data anywhere, anytime, with minimal training or setup required.

WRT's Z-92® process is the most effective and environmentally responsible choice you can make for removing uranium from drinking water and the community. That's because after removing the uranium, we dispose of it at a licensed facility

LATEST INSIGHTS ON DRINKING WATER

DRINKING WATER VIDEOS

Water Research Foundation at the Silicon Valley Advanced Water Purification Center talking with Jim Fiedler and Andrew Salveson about upcoming WRF Direct Potable Reuse research projects.

As aquatic invasive species continue to overwhelm hydropower, industrial, and municipal systems worldwide, this webinar explores why traditional filtration and chemicals are falling short—and how a dual-barrier UV approach is emerging as a proven, chemical-free alternative backed by global field results.

Aqua wants you to know the 411 on lead exposure

A group of Congressional Democratic lawmakers from Michigan has proposed legislation to provide $600 million in financial assistance to help Flint deal with its current water crisis.

GE partnered with the Wharton School's Initiative for Global Environmental Leadership (IGEL) for an industry leaders' discussion about the energy/water nexus in unconventional oil & gas production.

ABOUT DRINKING WATER

In most developed countries, drinking water is regulated to ensure that it meets drinking water quality standards. In the U.S., the Environmental Protection Agency (EPA) administers these standards under the Safe Drinking Water Act (SDWA)

Drinking water considerations can be divided into three core areas of concern:

  1. Source water for a community’s drinking water supply
  2. Drinking water treatment of source water
  3. Distribution of treated drinking water to consumers

Drinking Water Sources

Source water access is imperative to human survival. Sources may include groundwater from aquifers, surface water from rivers and streams and seawater through a desalination process. Direct or indirect water reuse is also growing in popularity in communities with limited access to sources of traditional surface or groundwater. 

Source water scarcity is a growing concern as populations grow and move to warmer, less aqueous climates; climatic changes take place and industrial and agricultural processes compete with the public’s need for water. The scarcity of water supply and water conservation are major focuses of the American Water Works Association.

Drinking Water Treatment

Drinking Water Treatment involves the removal of pathogens and other contaminants from source water in order to make it safe for humans to consume. Treatment of public drinking water is mandated by the Environmental Protection Agency (EPA) in the U.S. Common examples of contaminants that need to be treated and removed from water before it is considered potable are microorganisms, disinfectants, disinfection byproducts, inorganic chemicals, organic chemicals and radionuclides.

There are a variety of technologies and processes that can be used for contaminant removal and the removal of pathogens to decontaminate or treat water in a drinking water treatment plant before the clean water is pumped into the water distribution system for consumption.

The first stage in treating drinking water is often called pretreatment and involves screens to remove large debris and objects from the water supply. Aeration can also be used in the pretreatment phase. By mixing air and water, unwanted gases and minerals are removed and the water improves in color, taste and odor.

The second stage in the drinking water treatment process involves coagulation and flocculation. A coagulating agent is added to the water which causes suspended particles to stick together into clumps of material called floc. In sedimentation basins, the heavier floc separates from the water supply and sinks to form sludge, allowing the less turbid water to continue through the process.

During the filtration stage, smaller particles not removed by flocculation are removed from the treated water by running the water through a series of filters. Filter media can include sand, granulated carbon or manufactured membranes. Filtration using reverse osmosis membranes is a critical component of removing salt particles where desalination is being used to treat brackish water or seawater into drinking water.

Following filtration, the water is disinfected to kill or disable any microbes or viruses that could make the consumer sick. The most traditional disinfection method for treating drinking water uses chlorine or chloramines. However, new drinking water disinfection methods are constantly coming to market. Two disinfection methods that have been gaining traction use ozone and ultra-violet (UV) light to disinfect the water supply.

Drinking Water Distribution

Drinking water distribution involves the management of flow of the treated water to the consumer. By some estimates, up to 30% of treated water fails to reach the consumer. This water, often called non-revenue water, escapes from the distribution system through leaks in pipelines and joints, and in extreme cases through water main breaks.

A public water authority manages drinking water distribution through a network of pipes, pumps and valves and monitors that flow using flow, level and pressure measurement sensors and equipment.

Water meters and metering systems such as automatic meter reading (AMR) and advanced metering infrastructure (AMI) allows a water utility to assess a consumer’s water use and charge them for the correct amount of water they have consumed.